[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Reasons for withdrawal

> Bradd W. Szonye wrote:
>> Why not specify the interface for [declaring subtypes], and leave it
>> up to the SRFI-44 core implementor to provide the hooking-up code?
>> Would that constrain implementations too much?

scgmille@xxxxxxxxxxxxxxxxxx wrote:
> It may be impossible to specify all the hooking up code.  In
> particular defining the type or class and binding the representation
> to it is going to be very difficult.  You may not be able to pass any
> value or function to the 'define-type' interface that makes any sense.  

This makes me wonder: If you can't specify the hooking up code in the
SRFI, then how are implementors supposed to do any better? Either it can
be done, or it can't. If it can't be done, well, that's another major
Bradd W. Szonye